This is an annotated bibliography of references to cycad toxicity. It provides a selection pertinent to the developing reputation of cycads for producing neurotoxic effects when fed or applied to man or beast. The references ...

Bidens campylotheca ssp. waihoiensis St. John is described as new. It is most closely related to B. c. ssp. pentamera (Sherff) Ganders & Nagata which also occurs on East Maui. The new taxon was considered a hybrid between ...

In the course of our investigation of the genetics of adaptive radiation and evolution of Bidens in the Hawaiian Islands, it has been necessary to revise the group taxonomically. Here we describe four new subspecies and ...

Ophiorrhiza is an Indo-Malesian genus belonging to the family Rubiaceae and comprising about 150 species. The genus is taxonomically complex in many parts of its range, but a world-wide treatment has never been attempted. ...

This contribution deals strictly with the genus Psychotria as it exists in the Hawaiian Archipelago. It reviews the taxonomic history, characters of taxonomic significance, and phylogeny of Psychotria in Hawaii. It includes ...

Bidens cosmoides, in the monotypic section Degeneria, is a morphologically unique species endemic to Kaua'i. Contrary to previous reports it will hybridize successfully with other Hawaiian species of Bidens, all in section ...

This monograph is presented in an effort to summarize previously published information and to offer new observations on the structure of one crop, the papaya. The morphology, anatomy, and cytology of the different vegetative ...